ReviewsFunction Tester

KETOTEK Digital Water TDS Meter PH Meter PPM Tester has TDS-EC-Temp 3-in-1 and ±2% Accuracy PH Tester with 0-14.00PH and 0.01 Accuracy TDS PH Meters for Aquariums Water Hydroponics RO System

COST-EFFECTIVE PRODUCT PARTNER AND MORE WATER QUALITY INFORMATION CAN BE TESTED. It would be more economical and convenient than purchasing it....
WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9999ppm and ±2% accuracy, TDS meter can also test the liquid temperature in....
AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and digital PH meter both have the function of Auto-off, it will automatically shut off after 5....
AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital TDS tester and PH tester both have the function of ATC, the measuring data won’t be influenced....
SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you....

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Yctze Car Spark Tester, Electronic Faults Detector MST-101 Auto Ignition Coil Tester Tool for ignition coil tester automotive electronic fault detector ignition coil tester coil pack tester spark plug

Perfect choice -----The ABS head is easy to insert and durable, making it the right choice. ignition coil tester.
Function-----You can quickly and easily diagnose whether the ignition system of the car is working properly, avoid fire, and burn out the ignition coil. for automotive electronic fault detector ignition coil tester car ignition coil tester.
With LED indicator light -----The internal LED light will show you if the ignition system is normal. for coil pack tester mst 101.
Safe & Reliable-----It provides a safe and reliable troubleshooting method that is convenient, economical and time-saving. for spark plugs and coil tester small engine spark tester.
Premium material-----Made of high quality aluminum material which is characterized by its high hardness and corrosion resistance, ensuring long-lasting durability. for spark tester automotive electronic fault detector ignition coil tester.

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HDMI Tester Portable High Definition Network Cable Tester Checker NF-622 LED Indicator to Check Disorder Short Open and Cross Status of HDMI Cables and Hd Wire Test Ideal for Troubleshooting

【Application of UT681】UT681 Handheld HDMI Cable Tester is a professional tester for testing HDMI cable (HDMI 1.2V/1.3V/1.4V/2.0V).It supports two test modes, fast scan mode and full display mode..
【Function of UT681】This Cable Tester Checker can quickly scan and test up to 19 wires and decide which one is short circuit, open circuit, or in wrong order.Support Continuity Test,Short Circuit Test,Crossover Test,Network Cable Test..
【Double testing mode】At the power on state, short press the ON/OFF/Option key to switch between scan mode and full display mode. The state indicator flashing style is to identify which mode is chosen..
【Cable Type That Can Be Measured】Three types of HD cables can be tested: a.Both ends are standard HDMI connectors (Type A - Type A).
b.Both ends are HDMI Mini connectors (Type C - Type C).
c.One end is HDMI connector, one end is HDMI Mini connector (Type A - Type C).
【Safe Tester】HDMI tester support battery low voltage Test.In order to make sure the HD cable tester’s performance, when the battery voltage is lower than about 7.2V, the blue light flashes, prompting to replace the battery.Auto shut down function, when no operation during the last 10 minutes, the instrument will automatically shut down..

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Greenwon 68S Dedicated Breathalyzer Mouthpiece 20Pcs

★ HIGH PRECISON, SENSITIVE RESPIRATORY. ketosis monitor is used to measure the concentration of ketone substances in the human body.The portable....
★ ENERGY SAVING, automatic shutdown function.Powered by a 2 x AAA 1.5v battery (not included but generally available), this acetone tester will....
★ LARGE DIGITAL LCD SCREEN .The acetone tester has a large screen with an orange background.Backlighting allows you to use this breathalyzer acetone....
★ COMPACT DESIGN.This breathalyzer is small in size, light in weight and easy to carry.You can hang the acetone tester on the keychain when you're....
★ 30 DAYS MONEY BACK GUARANTEE,LIFETIME WARRANTY. GREENWON has 20 years of experience in the production of respiratory tester, in the respiratory....

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Spark Plug Tester Dual Holes Spark Tester Working Frequency 500-6000rpm Spark Plug Tool for 12V Gasoline Vehicles Ignition Coil Tester with A Protective Cover, Spark Plug Not Included

【Spark Plug Tester For Small Engines Test Spark Plug Performance】The spark tester mainly tests the performance of the spark plug by simulating the ignition of the car, thereby deciding whether to replace the spark plug..
【Dual Holes Spark Plug Tester】In order to be able to see more clearly whether the performance of the spark plug is good, the spark plug tester has a dual-hole test function. Just put a brand-new spark plug and a spark plug to be tested into the test hole respectively, and the performance of the spark plug can be tested quickly and accurately. Test hole inner size: 10mm..
【Adjustable Working Frequency Spark Tester】The working frequency of the spark tester small engine is 500-6000rpm. Its working frequency can be adjusted through the knob, which is very convenient..
【Ignition Tester For 12V Gasoline Vehicles Car Spark Plugs】This spark plug tester is suitable for most 12v gasoline car spark plugs. Cannot be used for lawn mowers and chainsaws. If you are not sure whether it is suitable for your spark plug, please contact us before buying..
【Coil Tester With A Protective Cover】In order to make the process of use safer, the spark plug tester comes with a transparent protective cover..

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CURT 58270 7-Pin RV Blade Trailer Wiring Towing Vehicle Socket Tester, Black

VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power.
SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.
EASY GRIP. Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. It features two hooks on either side of the tester for a better grip when plugging in or unplugging.
LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes.
DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.

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CURT 58271 7-Pin RV Blade Trailer Wiring Towing Vehicle Socket Tester, Black

VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power.
SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.
EASY GRIP. Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. It features two hooks on either side of the tester for a better grip when plugging in or unplugging.
LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes.
DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.

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BlumWay 5 in 1 Soil Tester, LCD,Digital Plant Temperature Soil Moisture PH Meter Sunlight Intensity Environment Humidity Soil Test Kit for Garden,Lawns,Farm and Potted Plants, Flower in Outdoor Use

【5-in-1 Modes】 You can use 5 in 1 soil tester conveniently testing the soil's pH, soil and environment Moisture, Light, and Temperature! The new 5 in 1 add the environment moisture function to help you to know the condition of your plant accurately..
【Accurate and Durability】This soil tester is more accurate , the deviation range is about 1℃/℉and PH:0.1. 2021 Upgraded needle probe is made of good aluminum which is more durable,the technology function of this soil tester is stronger than others. You will quickly get the information of your plant from this tester for 5-10 seconds when you plug the noodle into the soil..
【Large LCD Display 】This Soil Tester has a large LCD screen to easily display all the data of plant. Flower and so on. It is easy to clean the screen and the main body of the tester..
【Easy to Use and Carry】With small size,this tester is covered by ABS material, design to be lightweight and portable, which is easy to carry around, It is for indoor and outdoor use, ideal soil pH meter tool for home plants, garden, lawn and farm.Just simply plug the probe into the soil about 4 inches, wait 5-10 seconds to read intuitive data. Remove probe from the soil and wipe it clean after using..
【Wide Range of Applications】Testing....

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PM2302 Digital Resistance Meter Ground Earth Tester 0-4K ohm Insulation Tester Multimeter with LCD Backlight Display

[Multi Functions] This PM2302 resistance tester can be used to measure maximum, minimum or average and measure relatively.
low battery indication and 2 Pole and 3 Pole Mode..
[Convenient] This insulation tester can store 100 group of test result, which will not be lost even in case of power cuts..
[Easy reading] This digital resistance tester is equipped with large digital LCD and backlights that allow users read the information on LCD easily. Digital Display & Analog Bars Display..
[Auto power-off function] It has auto power-off function that conserves battery life and increases the lifespan of your multimeter..
[Application] It is the ideal tool for electrical inspection and repair..

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AUTOOL Power Probe Circuit Tester 9-30V Automotive Power Circuit Diagnostic Tool Car Fuse Relay Electrical System Tester Digital Voltage Short Finder Thermometer for Vehicle Cable Length 3.6Ft

...te】 The circuit probe tester is easy to operate, and all operations can be completed with only two buttons. Briefly press the "M" key on the probe tester to switch five test modes. Briefly press the "Lighting" button on the probe tester to turn on or off the light beside the probe..
【Five Modes Optional】 Multi-function Mode: digital display voltage measurement, on-off test, positive and negative pole test. Voltage Test: digital display voltage measurement. On-off Test: can detect open circuit, path, virtual circuit and real circuit. Positive and Negative Pole Test: determine the positive and negative poles. Temperature Test: the pointer is equipped with a temperature sensor to detect the temperature of the specified contact..
【Excellent Design】 The design of this power short circuit probe is exquisite and compact, only 0.2 pounds, easy to carry and operate. The length of the wire is about 3.6 ft, which can cover the entire engine compartment and facilitate the inspection of the vehicle's electrical system. The high sensitivity probe with a tip makes it easier to touch small and difficult areas..
【Safety Protection】The power short circuit probe has overload protection function. When the voltage or current is overloaded, the circuit tester p....

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Manometer Gas Pressure Tester，Manometer HVAC，Digital Manometer Gas Pressure Tester，Manometer LP Gas Pressure Tester，Digital Manometer HVAC for Temperature and Pressure Testing

...nt detection pressure value(relative to the current atmospheric pressure) whereas the dual channel allows simultaneous detection of the pressure difference between the two detection ports( P1-P2 ). 12 optional units (mmHg, inHg, ftH₂O, cmH₂O, inH₂O, Pa, KPa, mbar, bar, psi, Kgcm² and ozin²)..
【Storage Function and Reminder Function】The digital gas manometer with backlight has the storage function, which can store 100 groups of data, so that users can view and compare the data after the test. No operation for 15 minutes will automatically shut down, helping you save electricity. In addition, this manometer gas pressure tester also has a low battery reminder function, which can give a timely warning when the battery is low, so that you can know the time to replace the battery..
【Note】The battery specifications required for this digital manometer hvac is: 1 * 6F22, 9V, 250mAh. It is not included for transportation reasons, and you need to buy it separately..

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